Economical Way to Burn Coal.

In view of the rise in prices I thought this which I have tested might interest some of your readers. This formula may be used in any furnace, for hot air, hot water, or steam. View Full Article in Timesmachine »

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A version of this archives appears in print on November 22, 1907, on Page 8 of the New York edition with the headline: Economical Way to Burn Coal. Order Reprints|Today's Paper|Subscribe